[PATCH] arm: stm32mp25: add ethernet support for stm32mp255 series

[Patrice CHOTARD]

On 10/8/25 08:36, Asadeds wrote:
> Add missing CPU_STM32MP255* cases in get_eth_nb() so that U-Boot
> correctly reports 2 Ethernet interfaces on stm32mp255 devices.
> This fixes the "ethernet not found" error during boot.
> 
> Signed-off-by: Md Asadullah <md.asadullah at eds-india.com>
> ---
>  arch/arm/mach-stm32mp/stm32mp2/stm32mp25x.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm/mach-stm32mp/stm32mp2/stm32mp25x.c b/arch/arm/mach-stm32mp/stm32mp2/stm32mp25x.c
> index 0d199f6f903..48b452f01b1 100644
> --- a/arch/arm/mach-stm32mp/stm32mp2/stm32mp25x.c
> +++ b/arch/arm/mach-stm32mp/stm32mp2/stm32mp25x.c
> @@ -78,6 +78,16 @@ int get_eth_nb(void)
>  	case CPU_STM32MP257Axx:
>  		nb_eth = 5; /* dual ETH with TSN support */
>  		break;
> +	case CPU_STM32MP255Dxx:
> +		fallthrough;
> +	case CPU_STM32MP255Axx:
> +		fallthrough;
> +	case CPU_STM32MP255Cxx:
> +		fallthrough;
> +	case CPU_STM32MP255Fxx:

Hi 

Can you sort above cases by alphabetical order ?

> +		fallthrough;
> +		nb_eth = 2;
> +		break;

As STM32MP253 and STM32MP255 has same number of ethernet, remove the 2 above lines.

>  	case CPU_STM32MP253Fxx:
>  		fallthrough;
>  	case CPU_STM32MP253Dxx:

Thanks
Patrice